Blackfin: convert locking primitives to asm-generic
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index 75fee2f..daffa71 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -1,26 +1,22 @@
#ifndef _BLACKFIN_BITOPS_H
#define _BLACKFIN_BITOPS_H
-/*
- * Copyright 1992, Linus Torvalds.
- */
-
-#include <linux/compiler.h>
-#include <asm/byteorder.h> /* swab32 */
-
-#ifdef __KERNEL__
+#ifndef CONFIG_SMP
+# include <asm-generic/bitops.h>
+#else
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
+#include <linux/compiler.h>
+#include <asm/byteorder.h> /* swab32 */
+
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffz.h>
-#ifdef CONFIG_SMP
-
#include <linux/linkage.h>
asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr);
@@ -79,189 +75,13 @@
return __raw_bit_test_toggle_asm(a, nr & 0x1f);
}
-#else /* !CONFIG_SMP */
-
-#include <asm/system.h> /* save_flags */
-
-static inline void set_bit(int nr, volatile unsigned long *addr)
-{
- int *a = (int *)addr;
- int mask;
- unsigned long flags;
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save_hw(flags);
- *a |= mask;
- local_irq_restore_hw(flags);
-}
-
-static inline void clear_bit(int nr, volatile unsigned long *addr)
-{
- int *a = (int *)addr;
- int mask;
- unsigned long flags;
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save_hw(flags);
- *a &= ~mask;
- local_irq_restore_hw(flags);
-}
-
-static inline void change_bit(int nr, volatile unsigned long *addr)
-{
- int mask;
- unsigned long flags;
- unsigned long *ADDR = (unsigned long *)addr;
-
- ADDR += nr >> 5;
- mask = 1 << (nr & 31);
- local_irq_save_hw(flags);
- *ADDR ^= mask;
- local_irq_restore_hw(flags);
-}
-
-static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
-{
- int mask, retval;
- volatile unsigned int *a = (volatile unsigned int *)addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save_hw(flags);
- retval = (mask & *a) != 0;
- *a |= mask;
- local_irq_restore_hw(flags);
-
- return retval;
-}
-
-static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
- int mask, retval;
- volatile unsigned int *a = (volatile unsigned int *)addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save_hw(flags);
- retval = (mask & *a) != 0;
- *a &= ~mask;
- local_irq_restore_hw(flags);
-
- return retval;
-}
-
-static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
-{
- int mask, retval;
- volatile unsigned int *a = (volatile unsigned int *)addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save_hw(flags);
- retval = (mask & *a) != 0;
- *a ^= mask;
- local_irq_restore_hw(flags);
- return retval;
-}
-
-#endif /* CONFIG_SMP */
-
/*
* clear_bit() doesn't provide any barrier for the compiler.
*/
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
-static inline void __set_bit(int nr, volatile unsigned long *addr)
-{
- int *a = (int *)addr;
- int mask;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- *a |= mask;
-}
-
-static inline void __clear_bit(int nr, volatile unsigned long *addr)
-{
- int *a = (int *)addr;
- int mask;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- *a &= ~mask;
-}
-
-static inline void __change_bit(int nr, volatile unsigned long *addr)
-{
- int mask;
- unsigned long *ADDR = (unsigned long *)addr;
-
- ADDR += nr >> 5;
- mask = 1 << (nr & 31);
- *ADDR ^= mask;
-}
-
-static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
-{
- int mask, retval;
- volatile unsigned int *a = (volatile unsigned int *)addr;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *a) != 0;
- *a |= mask;
- return retval;
-}
-
-static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
- int mask, retval;
- volatile unsigned int *a = (volatile unsigned int *)addr;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *a) != 0;
- *a &= ~mask;
- return retval;
-}
-
-static inline int __test_and_change_bit(int nr,
- volatile unsigned long *addr)
-{
- int mask, retval;
- volatile unsigned int *a = (volatile unsigned int *)addr;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *a) != 0;
- *a ^= mask;
- return retval;
-}
-
-static inline int __test_bit(int nr, const void *addr)
-{
- int *a = (int *)addr;
- int mask;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- return ((mask & *a) != 0);
-}
-
-#ifndef CONFIG_SMP
-/*
- * This routine doesn't need irq save and restore ops in UP
- * context.
- */
-static inline int test_bit(int nr, const void *addr)
-{
- return __test_bit(nr, addr);
-}
-#endif
+#include <asm-generic/bitops/non-atomic.h>
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/hweight.h>
@@ -272,10 +92,10 @@
#include <asm-generic/bitops/minix.h>
-#endif /* __KERNEL__ */
-
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>
+#endif /* CONFIG_SMP */
+
#endif /* _BLACKFIN_BITOPS_H */